package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShopCartMapper {
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);


    @Insert("insert into shopping_cart(name,user_id,dish_id,setmeal_id,dish_flavor,number,amount,image,create_time)" +
           "values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})"
    )
    void insert(ShoppingCart shoppingCart);

    @Delete("delete from shopping_cart where user_id =#{userId}")
    void deleteByUserId(Long userId);

    ShoppingCart selectById(Long dishId);

    @Update("update shopping_cart set number=number-1 where dish_id=#{dishId}")
    void downAmount(Long dishId);
    @Delete("delete from shopping_cart where dish_id =#{dishId}")
    void deleteByDishId(Long dishId);
    @Delete("delete from shopping_cart where setmeal_id =#{setmealId}")
    void deleteBySetmealId(Long setmealId);

    void insertBatch(List<ShoppingCart> shoppingCartList);
}
